——Have you finished to work out the maths problem?——Not yet
——Have you finished to work out the maths problem?——Not yet
—Have you finished your work yet?
—Have you finished your work yet?—No,not yet.I think ti'll t
Have you finished your work?—No()A.not yet B.not untilCalrea
Can you find___ ways to work out the maths problem
--Have you worked out the problem?--Not yet,but I___.
the maths problem is too difficult .——————can work it out
The maths problem is not easy to work out.怎么不可以用is not easy
The maths problem is not easy enough for him to 是work out还是w
The twins fails to work out the maths problem.
---Have you finished all your work,Kate?---Not yet .The rest
Only by this _____can you work out the maths problem